Inventory Management in SAP (SAP MM-MI ) deals with goods. Actually the process of Procurement starts with collecting the business requirement for goods and goes to getting the goods from Vendors in SAP MM.
Once received; Goods have to be place on premise of the company in order to be accessible for consumption or reselling. Here Inventory Management helps dealing with Goods Placement and management of SAP Stocks.
Inventory Management Overview ( SAP Stock )
The main topics for Inventory Management in SAP MM are:
- Stock Management: the SAP stock can be quantified by quantity or by value
- Good Movement: SAP Material Document updating the stock (Value as well Quantity )
- Material Document: a key document in Inventory Management. In fact, Both Document number and a year are the keys for the SAP Material Documents
When it comes to inventory management in SAP, you will hear these important objects:
- Movement Type
- Good Receipt
- Good Issue
Let detail the fourth of them.
Movement Type in SAP MM
Movement Type identifies the kind of stock posting. The Posting in SAP Stock can be due to an order and the Movement type is posted against a goods receipt or a goods issue.
- Check this post for detail information about SAP Movement Type
The Path in SAP Menu for Movement Type is
Logistics > Materials Management > Inventory Management > Goods Movement > Goods Movement (MIGO)
Or you can directly launch the famous SAP MM Tcode: MIGO
For more information on Good Movement in inventory management sap, check alos
- SAP Good Movement IDocs
- BAPI for SAP Good Movement
- SAP Goods Movement Tables
- Transaction Codes for SAP Goods Movement
SAP MM Goods Receipt
Goods Receipt is issues when goods are received from vendors and the quantity & quality are validated.
Consequently Good Receipt in SAP MM will increase the Warehouse stock for received goods.
Goods Receipt, depending of Movement Type, will post stock in Inventory Management in SAP MM.
The only two actions of Goods Receipt are: creating Goods Receipts or cancelling an existing Goods Receipts.
Goods Receipts can be issues against one of multiple documents such as:
- Inbound Delivery
- Material Document
- Purchase Order
Inventory Management will retrieve the relevant of the document in case If Goods Receipt is created based on a document.
Therefore these Data (plant, materials, quantity …) will be fetched from the document.
Notice that it is MIGO tcode, also the SAP MM MIGO transaction is the main SAP Tcode in Inventory in SAP MM.
Reservation in SAP MM
Reservation allows blocking a certain amount of Stocks in advance for a period of time in advance as a result it ensures the availability of a SAP Material for the future expected requirement.
For example, a SAP MM reservation can be made for an order (Movement Type will be 261).
In SAP MM Inventory Management, the reserved quantity can be displayed on SAP Tcode MMBE
The SAP tcode Reservation is
- MB21 to create a SAP MM Reservation.
- MB22 to change a Reservation
- MB23 to display a SAP MM Reservation
The Path in SAP menu for Reservation is
Logistics > Materials Management > Inventory Management > Reservation > Create
SAP MM Goods Issue
Goods Issue is the opposite of Goods Receipt.
SAP MM Goods Issue will decrease in case the Warehouse’s tock in Inventory Management.
Every time Goods Issue is created when the SAP stocks is moved out of inventory.
Goods Issue, In opposite to Goods Receipt, can be issue against SAP Document ( order … )
In order to create a Goods Issue, navigate to
Logistics > Materials Management > Inventory Management > Goods Movement > Goods Movement
Or just launch the MIGO Tcode.
SAP MM Inventory Management recommended Ebooks
Through my experience dealing with Inventory Management, I find these 3 ebooks very usefull:
This document explains about what all major concepts are involved in SAP Material Management (MM) Inventory Management. This presentation helps you to understand following Concepts
- Goods Movements & Movement types
- Stock Determination
- Valuation and Account Assignment
- Split Valuation
- Account Determination
- Physical Inventory
This document is in the form of PPT. You may use this document for your self study and client demo. This readymade presentation helps you to make your client understand the potential of SAP MM Inventory Management.
This documents set provides complete implementation and support solution for SAP MM material Management.
This document will help you for during implementation and as well as during support project.
If you are looking for complete working knowledge in the area of SAP material management, this is perfect document for you. All the SAP MM consultant and who wanted to become SAP MM consultant will be getting benefit out of these documents.
This document explains about what all concepts are involved in SAP MM Material Management. This document is in the form of PPT.
You may use this document for your self study and client demo. This ready made presentation helps you to make your client understand the potential of SAP MM Material Management functionality.
This is a base level of document. If you are new to SAP MM Material Management or you are working in other sap module (like SD, HR, FI, PP … etc). You will find this document very useful. This will make you understand SAP MM Material Management very clearly and very quickly.